BR112012033705A2 - método de geração de sinal de banda base de ligação descendente, dispositivo relacinado e sistema. - Google Patents

método de geração de sinal de banda base de ligação descendente, dispositivo relacinado e sistema.

Info

Publication number
BR112012033705A2
BR112012033705A2 BR112012033705A BR112012033705A BR112012033705A2 BR 112012033705 A2 BR112012033705 A2 BR 112012033705A2 BR 112012033705 A BR112012033705 A BR 112012033705A BR 112012033705 A BR112012033705 A BR 112012033705A BR 112012033705 A2 BR112012033705 A2 BR 112012033705A2
Authority
BR
Brazil
Prior art keywords
signal
downlink
channel
coded
user
Prior art date
Application number
BR112012033705A
Other languages
English (en)
Other versions
BR112012033705B1 (pt
Inventor
Sheng Liu
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112012033705A2 publication Critical patent/BR112012033705A2/pt
Publication of BR112012033705B1 publication Critical patent/BR112012033705B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

método de geração de sinal de banda base de ligação descendente, dispositivo relacionado e sistema. um método de geração de banda da ligação descendente do sinal, um dispositivo correspondente, e um sistema relevantes são divulgados. o método de downlink sinal de banda gerando inclui: codificação de canal e modulação desempenho em um fluxoi de dados de downlink de um usuário em uma célula e obter um sinal de downlink usuário codificado e modulado da célula, gerando um descendente do sinal do canal de controle de acordo com a camada física de controle informações, e encaminhando o sinal de refer~encia, o sinal de sincronização, de transmissão de sinal de canal, o sinal da ligação descendente do utilizador codificados e modulados, e sinal de canal de ligação descendente para o controlo de rru correspondente, de modo que o correspondente rru mimo executa precoding no sinal downlink utilizador codificada e modulada, mapas o sinal mimo-pré-codificado, o sinal de canal de controlo da ligação descendente, o sinal de referência, o sinal de sincronização, e um sinal de transmissão de canal para os seus respectivos subportadoras, executa ifft transformação para obter um sinal de banda da ligação descendente, e envia o sinal para fora. as formas de realização da presente invenção pode reduzir a largura de banda de transmissão de sinais entre o nó c-ran e o rru.
BR112012033705-0A 2010-12-21 2011-08-25 Método de geração de sinal de banda base de enlace descendente, nó de rede de acesso por rádio de nuvem, unidade remota de rádio de rede de acesso por rádio de nuvem e sistema de geração de sinal de banda base de enlace descendente BR112012033705B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201010598899.3 2010-12-21
CN201010598899.3A CN102546080B (zh) 2010-12-21 2010-12-21 一种下行基带信号生成方法及相关设备、系统
PCT/CN2011/078894 WO2012083718A1 (zh) 2010-12-21 2011-08-25 一种下行基带信号生成方法及相关设备、系统

Publications (2)

Publication Number Publication Date
BR112012033705A2 true BR112012033705A2 (pt) 2016-12-06
BR112012033705B1 BR112012033705B1 (pt) 2021-12-07

Family

ID=46313110

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012033705-0A BR112012033705B1 (pt) 2010-12-21 2011-08-25 Método de geração de sinal de banda base de enlace descendente, nó de rede de acesso por rádio de nuvem, unidade remota de rádio de rede de acesso por rádio de nuvem e sistema de geração de sinal de banda base de enlace descendente

Country Status (6)

Country Link
US (1) US8705483B2 (pt)
EP (1) EP2574138B1 (pt)
CN (1) CN102546080B (pt)
BR (1) BR112012033705B1 (pt)
RU (1) RU2542940C2 (pt)
WO (1) WO2012083718A1 (pt)

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Also Published As

Publication number Publication date
WO2012083718A1 (zh) 2012-06-28
US8705483B2 (en) 2014-04-22
RU2012157077A (ru) 2014-06-27
CN102546080A (zh) 2012-07-04
EP2574138A1 (en) 2013-03-27
BR112012033705B1 (pt) 2021-12-07
CN102546080B (zh) 2014-06-25
US20130100907A1 (en) 2013-04-25
RU2542940C2 (ru) 2015-02-27
EP2574138A4 (en) 2013-09-04
EP2574138B1 (en) 2018-08-08

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04W 88/08

Ipc: H04W 88/08 (2009.01), H04W 72/04 (2009.01)

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